n1 = new Number ("42");
n2 = 42;
x1 = n1.toExponential();
console.log (x1);
x2 = n1.toFixed();
console.log (x2);
x3 = n1.toPrecision();
console.log (x3);
x4 = n1.valueOf();
console.log (x4);
x5 = n2.toExponential();
console.log (x5);
x6 = n2.toFixed();
console.log (x6);
x7 = n2.toPrecision();
console.log (x7);
x8 = n2.valueOf();
console.log (x8);
